Generation of nearly nondiffracting Bessel beams with a Fabry–Perot interferometer
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Generation of nearly nondiffracting Bessel beams with a Fabry–Perot interferometer
An ideal zero-order Bessel beam consists of a superposition of monochromatic plane waves with wave vectors lying on a conical surface having the same magnitude. Several experiments have been reported that achieve such a superposition of plane waves. For example, this type of angular spectrum can be obtained by applying an annular slit in the focal plane of a lens1 or by the use of an axicon,2 a...
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An increasing attention has been concentrated on nondiffracting Bessel beams, due to their novel properties and prospective applications. In order to study their properties entirely, including the transverse modes, the polarization states and the flow of energy, vector analyses are necessary. In this paper, based on auxiliary functions of Hertzian vector potential, nondiffracting Bessel beams a...
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Nondiffracting vector Bessel beams are of considerable interest due to their nondiffracting nature and unique high-numerical-aperture focusing properties. Here we demonstrate their creation by a simple procedure requiring only a spatial light modulator and an azimuthally varying birefringent plate, known as a q-plate. We extend our control of both the geometric and dynamic phases to perform a p...
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Nondiffractive Bessel beams were generated experimentally and their propagation was characterized using the self-convergent width method. By the use of this criterion for the calculation of the truncated second-moment of the irradiance, the invariant propagation of the generated Bessel beams is confirmed.
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ژورنال
عنوان ژورنال: Journal of the Optical Society of America A
سال: 1997
ISSN: 1084-7529,1520-8532
DOI: 10.1364/josaa.14.003009